- 更多网络例句与巷道煤柱相关的网络例句 [注：此内容来源于网络，仅供参考]
-
Based on the characteristics of cruts of blind incline shafts of Q ianqiu mine and the affect of mining on the blind incline shafts, the 1st and 2n d major maintenances performed using yielding metal support and bolting and shot creting wire mesh by the effect of their safety pillar 's abutment pressure are d escribed.
针对千秋煤矿暗斜井穿岩巷道的特点、采动对暗斜井的影响状况，阐述了暗斜井在保护煤柱固定支承压力作用下，利用拱形可缩性金属支架、锚喷网支护进行一、二次大修的过程。
-
This paper introduces new technology with minor diameter resin grouting combined anchor pretensional cable anchor under small coal pillar ,structure and mining-induced in S520 main haulageway of Changcun coal mine,it analyzes reinforcing results of roadway and evaluates technical economical results.
常村煤矿S52 0运输大巷在小煤柱、构造和采动多重影响条件下，采用小直径树脂注浆联合锚固预应力锚索新技术；分析和评价了巷道加固效果和技术经济效
-
Mechanical model of waste-filling in roadway was founded and elastic solution of displacement of coal pillar was found out by dint of Ritz method.
建立了巷道矸石充填的力学模型，并应用Ritz法求解了煤柱位移场的弹性解。
-
Based on the method of finite element orthogonal test,this paper designs the experimental scheme and gives numerical model of top coal drawing with non chain pillar entry protection .
根据有限元正交试验法，设计了有限元正交试验方案，建立了放顶煤无煤柱护巷的数值模型；通过对计算结果分析，得出放顶煤无煤柱开采沿空巷道的布置参数和支护形式，可为放顶煤无煤柱护巷提供理论依
-
In this paper,the deformation law of supporting coal pillar at Sanbula district is analyzed by using numerical simulation and the reasonable size of coal pillar and the parameter of bolt in the entry is got.
采用数值模拟方法对天隆集团公司三不拉采区支撑煤柱的变形规律进行分析，得出了该采区的合理支撑煤柱尺寸以及巷道锚杆支护参数，对设计和施工有参考作用。
-
In order to determine the size of coal pillar scientifically and reasonably, we mainly studied the law of stress distribution of the surrounding rock and the mechanism of narrow pillar drift and high strength bolt support and so on, indicating that using the narrow pillar drift and high strength bolt support can effectively guarantee the stability of gob-side entry in deep mine.
为科学合理地确定煤柱尺寸，保证沿空巷道的稳定，研究了沿空巷道的围岩应力分布规律、小煤柱护巷机理以及高强锚杆支护。从理论上证明了采用小煤柱护巷及高强锚杆支护方式理论上能够有效地保证深井沿空巷道的稳定。
- 更多网络解释与巷道煤柱相关的网络解释 [注：此内容来源于网络，仅供参考]
-
chain pillar：巷道煤柱
chain link 链节 | chain pillar 巷道煤柱 | chain pin 锁环销
-
heading chain pillar：巷道煤柱
heading blast 阶段爆破;超前工祖爆破;硐室爆破 | heading chain pillar 巷道煤柱 | heading charge 硐室装药
-
chain pin：锁环销
chain pillar 巷道煤柱 | chain pin 锁环销 | chain saw 链锯